top beam是什么意思

用法例句

Based on the deformation mechanism of cement-soil retaining wall the effect of top beam of the wall is studied.

本文在分析水泥土挡墙变形机理基础上 ,对压顶的作用进行了研究 ,并探讨了压顶有效利用范围和优化措施。

It is the development tendency to adopt hydraulic lifting method in the construction of tank with advantages of construction convenient,low cost and high efficiency.

采用液压顶升法施工储罐是储罐制造技术发展的趋势,其施工方法简便,经济,工效高。

Research of influences about the beam of cement and soil retaining wall On deformation of foundation pit;

水泥土挡墙压顶梁对基坑变形影响研究